#901111#901111

#901111 is a dark, vivid red. Relative luminance 0.064; OKLCH L 41.9% C 0.160 H 27.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#901111
RGB	rgb(144, 17, 17)
HSL	hsl(0, 79%, 32%)
HSV	hsv(0, 88%, 56%)
CMYK	cmyk(0%, 88.2%, 88.2%, 43.5%)
CIE-LAB	lab(30.33, 49.75, 36.15)
CIE-LCH	lch(30.33, 61.50, 36.00°)
OKLab	oklab(41.87% 0.1415 0.0745)
OKLCH	oklch(41.87% 0.16 27.8)
XYZ	xyz(11.8048, 6.3727, 1.1387)
Luminance	0.0637 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901111 #119090

analogous

#901151 #901111 #905111

triadic

#901111 #119011 #111190

tetradic

#901111 #519011 #119090 #511190

square

#901111 #519011 #119090 #511190

split-complementary

#901111 #119051 #115190

monochromatic

#230404 #590B0B #901111 #C71717 #E73434

Accessibility & contrast

On white

9.23

#901111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#901111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901111

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901111	#FFFFFF	#000000	##FFFFFF
##901111	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D360E

Deuteranopia (green-blind)

#5C5108

Tritanopia (blue-blind)

#9F0014

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #901111;
/* rgb */ color: rgb(144, 17, 17);
/* oklch */ color: oklch(41.9% 0.160 27.8);

Tailwind

colors: {
  custom: {
    50: '#ba6051',
    500: '#901111',
    950: '#000000',
  },
}

SCSS

$custom: #901111;
$custom-light: #ba6051;
$custom-dark: #000000;

JSON

{
  "hex": "#901111",
  "rgb": {
    "r": 144,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 78.882,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41868,
    "c": 0.15992,
    "h": 27.8
  },
  "luminance": 0.06371
}

Semantic roles & 50–950 ramp

primary

#901111

secondary

#39C4C4

accent

#F5F532

background

#FCF6F4

surface

#F9EBE7

border

#D2C6C3

text

#140502

muted

#827A78

Preview Lab

Preview with #901111

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →